A metal X forms a water soluble salt XNO₃. When an aqueous solution of XNO₃ is added to common salt solution, then a white precipitate of compound Y is formed alongwith sodium nitrate solution. Metal X is said to be the best conductor of electricity and it does not evolve hydrogen when put in dilute hydrohloric acid.
(a) What is metal X?
(b) What is salt XNO₃?
(c) Name the compound Y.
(d) Write the chemical equation of the reaction which takes place on reacting XNO₃ solution and common salt solution giving the physical states of all the reactants and products.
(e) What type of chemical reaction is illustrated by the above equation?

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Solution

(a) Metal X is silver.

(b) Salt XNO₃ is AgNO₃.

(c) The compound Y is AgCl.

(d) AgNO₃(aq) + NaCl (aq) → NaNO₃(aq) + AgCl (s)

(e) The above chemical reaction is a double displacement reaction as well as a precipitation reaction.

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(d) Write the chemical equation of the reaction which takes place on reacting $X N O_{3}$ solution an common salt solution giving the physical states of all the reactants and products.

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(a) Metal X is silver. (b) Salt XNO3 is AgNO3. (c) The compound Y is AgCl. (d) AgNO3 (aq) + NaCl (aq) → NaNO3 (aq) + AgCl (s) (e) The above chemical reaction is a double displacement reaction as well as a precipitation reaction.

(a) Metal X is silver.

(b) Salt XNO₃ is AgNO₃.

(c) The compound Y is AgCl.

(d) AgNO₃(aq) + NaCl (aq) → NaNO₃(aq) + AgCl (s)

(e) The above chemical reaction is a double displacement reaction as well as a precipitation reaction.